fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [FFF] [100.0% done] [   484/ 48896 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [68.2% done] [  5784/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [66.7% done] [ 23616/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [68.0% done] [ 33996/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [69.2% done] [ 30660/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [76.0% done] [ 30460/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.0% done] [ 25180/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [87.5% done] [ 35560/     0 kb/s] [eta 00m:03s]
Threads: 2: [VEV] [95.7% done] [ 38956/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_V] [100.0% done] [ 33580/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=9909
  read : io=100MiB, bw=4,313KiB/s, runt= 24310msec
    slat (msec): min=   36, max=21465, avg=18389.79, stdev=4734.07
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=32645, per=73.98%, avg=9573.60, stdev=8937.06
  write: io=95,172KiB, bw=6,615KiB/s, runt= 14731msec
    slat (msec): min=    0, max=  171, avg= 2.03, stdev= 4.89
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=71985, per=118.88%, avg=23996.33, stdev=41559.40
  cpu          : usr=5.20%, sys=1.48%, ctx=1079
  IO depths    : 1=12.6%, 2=25.1%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9910
  read : io=100MiB, bw=4,688KiB/s, runt= 22365msec
    slat (msec): min=   94, max=20700, avg=16588.21, stdev=2996.30
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   17, max=20001, per=86.16%, avg=11149.40, stdev=6725.07
  write: io=98MiB, bw=6,988KiB/s, runt= 14727msec
    slat (msec): min=    0, max=  101, avg= 2.43, stdev= 6.37
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=83090, per=138.99%, avg=28055.67, stdev=47664.17
  cpu          : usr=5.62%, sys=1.95%, ctx=896
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9911
  read : io=100MiB, bw=4,466KiB/s, runt= 23479msec
    slat (msec): min=   57, max=21567, avg=17203.52, stdev=4105.82
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=20016, per=80.02%, avg=10354.53, stdev=5018.46
  write: io=94,780KiB, bw=6,586KiB/s, runt= 14735msec
    slat (msec): min=    0, max=   13, avg= 1.81, stdev= 2.00
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=111484, per=276.16%, avg=55742.00, stdev=78831.09
  cpu          : usr=5.09%, sys=1.72%, ctx=987
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,940KiB/s, minb=4,313KiB/s, maxb=4,688KiB/s, mint=22365msec, maxt=24310msec
  WRITE: io=284MiB, aggrb=20,185KiB/s, minb=6,586KiB/s, maxb=6,988KiB/s, mint=22365msec, maxt=24310msec

Disk stats (read/write):
  sda: ios=3150/2071, merge=1100/70273, ticks=86700/1804100, in_queue=1937024, util=98.48%
3.78user 1.23system 0:24.70elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2424minor)pagefaults 0swaps